AirHint found the following cheapest return flights from Bangkok (DMK) to Ulaanbaatar (UBN) in November 2025 (see full year).

Return flights

20 Nov - 27 Nov	Thai AirAsia X
22 Nov - 29 Nov	Thai AirAsia X
27 Nov - 04 Dec	Thai AirAsia X
15 Nov - 22 Nov	Thai AirAsia X
29 Nov - 06 Dec	Thai AirAsia X
28 Nov - 05 Dec	Thai AirAsia X
16 Nov - 23 Nov	Thai AirAsia X
23 Nov - 30 Nov	Thai Lion Air
25 Nov - 02 Dec	Thai Lion Air
18 Nov - 25 Nov	Thai Lion Air
21 Nov - 28 Nov	Thai AirAsia X
26 Nov - 03 Dec	Thai Lion Air
30 Nov - 07 Dec	Thai AirAsia X
24 Nov - 01 Dec	Thai AirAsia
19 Nov - 26 Nov	Thai AirAsia X
28 Nov - 02 Dec	Thai AirAsia X
17 Nov - 24 Nov	Thai AirAsia X
19 Nov - 22 Nov	Thai AirAsia X

Also check the deals for one-way flights from Bangkok to Ulaanbaatar in November.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Bangkok to Ulaanbaatar in November from $430

Return flights